From 2b16aef84141800099f859e72d05e1e6bf8e02dd Mon Sep 17 00:00:00 2001 From: Matthew Barnes Date: Sun, 25 Oct 2009 09:17:23 -0400 Subject: Cleanup and rename filter classes. --- filter/e-filter-color.c | 180 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 filter/e-filter-color.c (limited to 'filter/e-filter-color.c') diff --git a/filter/e-filter-color.c b/filter/e-filter-color.c new file mode 100644 index 0000000000..c4a36607cb --- /dev/null +++ b/filter/e-filter-color.c @@ -0,0 +1,180 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see + * + * + * Authors: + * Not Zed + * Jeffrey Stedfast + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include "e-filter-color.h" + +static gpointer parent_class; + +static void +set_color (GtkColorButton *color_button, EFilterColor *fc) +{ + gtk_color_button_get_color (color_button, &fc->color); +} + +static gint +filter_color_eq (EFilterElement *element_a, + EFilterElement *element_b) +{ + EFilterColor *color_a = E_FILTER_COLOR (element_a); + EFilterColor *color_b = E_FILTER_COLOR (element_b); + + return E_FILTER_ELEMENT_CLASS (parent_class)->eq (element_a, element_b) + && gdk_color_equal (&color_a->color, &color_b->color); +} + +static xmlNodePtr +filter_color_xml_encode (EFilterElement *element) +{ + EFilterColor *fc = E_FILTER_COLOR (element); + xmlNodePtr value; + gchar spec[16]; + + g_snprintf (spec, sizeof (spec), "#%04x%04x%04x", + fc->color.red, fc->color.green, fc->color.blue); + + value = xmlNewNode(NULL, (xmlChar *)"value"); + xmlSetProp(value, (xmlChar *)"type", (xmlChar *)"colour"); + xmlSetProp(value, (xmlChar *)"name", (xmlChar *)element->name); + xmlSetProp(value, (xmlChar *)"spec", (xmlChar *)spec); + + return value; +} + +static gint +filter_color_xml_decode (EFilterElement *element, + xmlNodePtr node) +{ + EFilterColor *fc = E_FILTER_COLOR (element); + xmlChar *prop; + + xmlFree (element->name); + element->name = (gchar *)xmlGetProp(node, (xmlChar *)"name"); + + prop = xmlGetProp(node, (xmlChar *)"spec"); + if (prop != NULL) { + gdk_color_parse((gchar *)prop, &fc->color); + xmlFree (prop); + } else { + /* try reading the old RGB properties */ + prop = xmlGetProp(node, (xmlChar *)"red"); + sscanf((gchar *)prop, "%" G_GINT16_MODIFIER "x", &fc->color.red); + xmlFree (prop); + prop = xmlGetProp(node, (xmlChar *)"green"); + sscanf((gchar *)prop, "%" G_GINT16_MODIFIER "x", &fc->color.green); + xmlFree (prop); + prop = xmlGetProp(node, (xmlChar *)"blue"); + sscanf((gchar *)prop, "%" G_GINT16_MODIFIER "x", &fc->color.blue); + xmlFree (prop); + } + + return 0; +} + +static GtkWidget * +filter_color_get_widget (EFilterElement *element) +{ + EFilterColor *fc = E_FILTER_COLOR (element); + GtkWidget *color_button; + + color_button = gtk_color_button_new_with_color (&fc->color); + gtk_widget_show (color_button); + + g_signal_connect ( + G_OBJECT (color_button), "color_set", + G_CALLBACK (set_color), element); + + return color_button; +} + +static void +filter_color_format_sexp (EFilterElement *element, + GString *out) +{ + EFilterColor *fc = E_FILTER_COLOR (element); + gchar spec[16]; + + g_snprintf (spec, sizeof (spec), "#%04x%04x%04x", + fc->color.red, fc->color.green, fc->color.blue); + e_sexp_encode_string (out, spec); +} + +static void +filter_color_class_init (EFilterColorClass *class) +{ + EFilterElementClass *filter_element_class; + + parent_class = g_type_class_peek_parent (class); + + filter_element_class = E_FILTER_ELEMENT_CLASS (class); + filter_element_class->eq = filter_color_eq; + filter_element_class->xml_encode = filter_color_xml_encode; + filter_element_class->xml_decode = filter_color_xml_decode; + filter_element_class->get_widget = filter_color_get_widget; + filter_element_class->format_sexp = filter_color_format_sexp; +} + +GType +e_filter_color_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo type_info = { + sizeof (EFilterColorClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) filter_color_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (EFilterColor), + 0, /* n_preallocs */ + (GInstanceInitFunc) NULL, + NULL /* value_table */ + }; + + type = g_type_register_static ( + E_TYPE_FILTER_ELEMENT, "EFilterColor", &type_info, 0); + } + + return type; +} + +/** + * filter_color_new: + * + * Create a new EFilterColor object. + * + * Return value: A new #EFilterColor object. + **/ +EFilterColor * +e_filter_color_new (void) +{ + return g_object_new (E_TYPE_FILTER_COLOR, NULL); +} -- cgit v1.2.3